2. Get .apk file

Service Json: Upload the google-services.json file that you get from the first step

Android Key: Enter a unique ID for your app. Normally it is the reverse form of your domain name. For example: com.simicart.demo

Version Name: a number representing your app version on Google Play Store. This can be in the form of x.x or x.x.x (For example: 1.5 or 4.0.2)

Version Code: Every APK has a versionCode that's incremented with each update of your app. When selecting the Version Code for your APK, keep in mind that you'll need to increase the versionCode for every update

Description: Your app's description on Google Play

Short Description: The first text users see when looking at your app's detail page on the Play Store app.

Then, click Get your release file. The process is going to take a few minutes and then you will see a link to get the .apk file. Click Download Android App to get the APK.